// Copyright 2019 Age of Minds inc.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "easy_grpc/environment.h"

#include "grpc/grpc.h"

namespace {
easy_grpc::Environment* singleton = nullptr;
}

namespace easy_grpc {
Environment::Environment() {
  assert(!singleton);

  singleton = this;
  grpc_init();
}

Environment::~Environment() {
  if (singleton == this) {
    singleton = nullptr;
    grpc_shutdown();
  }
}

bool Environment::is_valid() { return singleton != nullptr; }
}  // namespace easy_grpc